void print() { System.out.println("Huffman Table"); System.out.println("table class: " + ((tableClass == 0) ? "DC":"AC")); System.out.println("table id: " + Integer.toString(tableID)); (new JPEGHuffmanTable(numCodes, values)).toString(); /* System.out.print("Lengths:"); for (int i=0; i<16; i++) { System.out.print(" " + Integer.toString(numCodes[i])); } int count = 0; if (values.length > 16) { System.out.println("\nFirst 16 Values:"); count = 16; } else { System.out.println("\nValues:"); count = values.length; } for (int i=0; i<count; i++) { System.out.println(Integer.toString(values[i]&0xff)); } */ }
/** * Returns <code>true</code> if the write was aborted. */ private native boolean writeImage(long structPointer, byte [] data, int inCsType, int outCsType, int numBands, int [] bandSizes, int srcWidth, int destWidth, int destHeight, int stepX, int stepY, JPEGQTable [] qtables, boolean writeDQT, JPEGHuffmanTable[] DCHuffmanTables, JPEGHuffmanTable[] ACHuffmanTables, boolean writeDHT, boolean optimizeHuffman, boolean progressive, int numScans, int [] scans, int [] componentIds, int [] HsamplingFactors, int [] VsamplingFactors, int [] QtableSelectors, boolean haveMetadata, int restartInterval);
/** * Returns {@code true} if the read was aborted. */ private native boolean readImage(int imageIndex, long structPointer, byte [] buffer, int numRasterBands, int [] srcBands, int [] bandSizes, int sourceXOffset, int sourceYOffset, int sourceWidth, int sourceHeight, int periodX, int periodY, JPEGQTable [] abbrevQTables, JPEGHuffmanTable [] abbrevDCHuffmanTables, JPEGHuffmanTable [] abbrevACHuffmanTables, int minProgressivePass, int maxProgressivePass, boolean wantUpdates);
/** * Returns {@code true} if the write was aborted. */ private native boolean writeImage(long structPointer, byte [] data, int inCsType, int outCsType, int numBands, int [] bandSizes, int srcWidth, int destWidth, int destHeight, int stepX, int stepY, JPEGQTable [] qtables, boolean writeDQT, JPEGHuffmanTable[] DCHuffmanTables, JPEGHuffmanTable[] ACHuffmanTables, boolean writeDHT, boolean optimizeHuffman, boolean progressive, int numScans, int [] scans, int [] componentIds, int [] HsamplingFactors, int [] VsamplingFactors, int [] QtableSelectors, boolean haveMetadata, int restartInterval);
/** * Returns <code>true</code> if the read was aborted. */ private native boolean readImage(int imageIndex, long structPointer, byte [] buffer, int numRasterBands, int [] srcBands, int [] bandSizes, int sourceXOffset, int sourceYOffset, int sourceWidth, int sourceHeight, int periodX, int periodY, JPEGQTable [] abbrevQTables, JPEGHuffmanTable [] abbrevDCHuffmanTables, JPEGHuffmanTable [] abbrevACHuffmanTables, int minProgressivePass, int maxProgressivePass, boolean wantUpdates);
/** * Return an array of default Huffman tables. */ static JPEGHuffmanTable [] getDefaultHuffmanTables(boolean wantDC) { JPEGHuffmanTable [] tables = new JPEGHuffmanTable[2]; if (wantDC) { tables[0] = JPEGHuffmanTable.StdDCLuminance; tables[1] = JPEGHuffmanTable.StdDCChrominance; } else { tables[0] = JPEGHuffmanTable.StdACLuminance; tables[1] = JPEGHuffmanTable.StdACChrominance; } return tables; }
DHTMarkerSegment(boolean needFour) { super(JPEG.DHT); tables.add(new Htable(JPEGHuffmanTable.StdDCLuminance, true, 0)); if (needFour) { tables.add(new Htable(JPEGHuffmanTable.StdDCChrominance, true, 1)); } tables.add(new Htable(JPEGHuffmanTable.StdACLuminance, false, 0)); if (needFour) { tables.add(new Htable(JPEGHuffmanTable.StdACChrominance, false, 1)); } }
DHTMarkerSegment(JPEGHuffmanTable[] dcTables, JPEGHuffmanTable[] acTables) { super(JPEG.DHT); for (int i = 0; i < dcTables.length; i++) { tables.add(new Htable(dcTables[i], true, i)); } for (int i = 0; i < acTables.length; i++) { tables.add(new Htable(acTables[i], false, i)); } }
Htable(Node node) throws IIOInvalidTreeException { if (node.getNodeName().equals("dhtable")) { NamedNodeMap attrs = node.getAttributes(); int count = attrs.getLength(); if (count != 2) { throw new IIOInvalidTreeException ("dhtable node must have 2 attributes", node); } tableClass = getAttributeValue(node, attrs, "class", 0, 1, true); tableID = getAttributeValue(node, attrs, "htableId", 0, 3, true); if (node instanceof IIOMetadataNode) { IIOMetadataNode ourNode = (IIOMetadataNode) node; JPEGHuffmanTable table = (JPEGHuffmanTable) ourNode.getUserObject(); if (table == null) { throw new IIOInvalidTreeException ("dhtable node must have user object", node); } numCodes = table.getLengths(); values = table.getValues(); } else { throw new IIOInvalidTreeException ("dhtable node must have user object", node); } } else { throw new IIOInvalidTreeException ("Invalid node, expected dqtable", node); } }
IIOMetadataNode getNativeNode() { IIOMetadataNode node = new IIOMetadataNode("dhtable"); node.setAttribute("class", Integer.toString(tableClass)); node.setAttribute("htableId", Integer.toString(tableID)); node.setUserObject(new JPEGHuffmanTable(numCodes, values)); return node; }
/** * Returns <code>true</code> if the read was aborted. */ private native boolean readImage(long structPointer, byte [] buffer, int numRasterBands, int [] srcBands, int [] bandSizes, int sourceXOffset, int sourceYOffset, int sourceWidth, int sourceHeight, int periodX, int periodY, JPEGQTable [] abbrevQTables, JPEGHuffmanTable [] abbrevDCHuffmanTables, JPEGHuffmanTable [] abbrevACHuffmanTables, int minProgressivePass, int maxProgressivePass, boolean wantUpdates);
